Here is a list of 10 fun facts about the sport of tennis which are sure to make your eyes widen in surprise.
P.S. We haven?t included the marath ...

#3 Yellow tennis balls were used for the first time in 1986

Yellow tennis balls were introduced in 1972 by Mike Davies keeping in mind that they were more visible on (colour) television. Those tennis balls were used in Wimbledon for the first time in 1986. Before that, the balls used were usually white in colour.

World number four Alexander Zverev has said the majority of players on the ATP Tour would welcome the help of Roger Federer, should the 19-time Grand Slam champion decide to become a coach after he retires from playing.